Unrated severityNVD Advisory· Published Aug 12, 2002· Updated Jun 16, 2026
CVE-2002-0515
CVE-2002-0515
Description
IPFilter 3.4.25 and earlier sets a different TTL when a port is being filtered than when it is not being filtered, which allows remote attackers to identify filtered ports by comparing TTLs.
Affected products
2Patches
Vulnerability mechanics
References
3- www.securityfocus.com/bid/4403nvdBroken LinkExploitThird Party AdvisoryVDB EntryVendor Advisory
- www.iss.net/security_center/static/8738.phpnvdBroken LinkVendor Advisory
- www.securityfocus.com/archive/1/265188nvdBroken LinkThird Party AdvisoryVDB EntryVendor Advisory
News mentions
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